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Split repositories out between a base immutable repository (that does not change) and an extended repository of which developers can add more custom methods to

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This commit is contained in:
Akkadius
2020-04-05 22:19:36 -05:00
parent fe7e850a04
commit c978ca65a4
324 changed files with 70882 additions and 58053 deletions
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common/repositories/books_repository.h
+35 -274
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@@ -23,284 +23,45 @@
#include "../database.h"
#include "../string_util.h"
#include "base/base_books_repository.h"
class BooksRepository {
class BooksRepository: public BaseBooksRepository {
public:
struct Books {
std::string name;
std::string txtfile;
int language;
};
static std::string PrimaryKey()
{
return std::string("name");
}
/**
* This file was auto generated on Apr 5, 2020 and can be modified and extended upon
*
* Base repository methods are automatically
* generated in the "base" version of this repository. The base repository
* is immutable and to be left untouched, while methods in this class
* are used as extension methods for more specific persistence-layer
* accessors or mutators
*
* Base Methods (Subject to be expanded upon in time)
*
* InsertOne
* UpdateOne
* DeleteOne
* FindOne
* GetWhere(std::string where_filter)
* DeleteWhere(std::string where_filter)
* InsertMany
* All
*
* Example custom methods in a repository
*
* BooksRepository::GetByZoneAndVersion(int zone_id, int zone_version)
* BooksRepository::GetWhereNeverExpires()
* BooksRepository::GetWhereXAndY()
* BooksRepository::DeleteWhereXAndY()
*
* Most of the above could be covered by base methods, but if you as a developer
* find yourself re-using logic for other parts of the code, its best to just make a
* method that can be re-used easily elsewhere especially if it can use a base repository
* method and encapsulate filters there
*/
static std::vector<std::string> Columns()
{
return {
"name",
"txtfile",
"language",
};
}
static std::string ColumnsRaw()
{
return std::string(implode(", ", Columns()));
}
static std::string InsertColumnsRaw()
{
std::vector<std::string> insert_columns;
for (auto &column : Columns()) {
if (column == PrimaryKey()) {
continue;
}
insert_columns.push_back(column);
}
return std::string(implode(", ", insert_columns));
}
static std::string TableName()
{
return std::string("books");
}
static std::string BaseSelect()
{
return fmt::format(
"SELECT {} FROM {}",
ColumnsRaw(),
TableName()
);
}
static std::string BaseInsert()
{
return fmt::format(
"INSERT INTO {} ({}) ",
TableName(),
InsertColumnsRaw()
);
}
static Books NewEntity()
{
Books entry{};
entry.name = "";
entry.txtfile = "";
entry.language = 0;
return entry;
}
static Books GetBooksEntry(
const std::vector<Books> &bookss,
int books_id
)
{
for (auto &books : bookss) {
if (books.name == books_id) {
return books;
}
}
return NewEntity();
}
static Books FindOne(
int books_id
)
{
auto results = content_db.QueryDatabase(
fmt::format(
"{} WHERE id = {} LIMIT 1",
BaseSelect(),
books_id
)
);
auto row = results.begin();
if (results.RowCount() == 1) {
Books entry{};
entry.name = row[0] ? row[0] : "";
entry.txtfile = row[1] ? row[1] : "";
entry.language = atoi(row[2]);
return entry;
}
return NewEntity();
}
static int DeleteOne(
int books_id
)
{
auto results = content_db.QueryDatabase(
fmt::format(
"DELETE FROM {} WHERE {} = {}",
TableName(),
PrimaryKey(),
books_id
)
);
return (results.Success() ? results.RowsAffected() : 0);
}
static int UpdateOne(
Books books_entry
)
{
std::vector<std::string> update_values;
auto columns = Columns();
update_values.push_back(columns[1] + " = '" + EscapeString(books_entry.txtfile) + "'");
update_values.push_back(columns[2] + " = " + std::to_string(books_entry.language));
auto results = content_db.QueryDatabase(
fmt::format(
"UPDATE {} SET {} WHERE {} = {}",
TableName(),
implode(", ", update_values),
PrimaryKey(),
books_entry.name
)
);
return (results.Success() ? results.RowsAffected() : 0);
}
static Books InsertOne(
Books books_entry
)
{
std::vector<std::string> insert_values;
insert_values.push_back("'" + EscapeString(books_entry.txtfile) + "'");
insert_values.push_back(std::to_string(books_entry.language));
auto results = content_db.QueryDatabase(
fmt::format(
"{} VALUES ({})",
BaseInsert(),
implode(",", insert_values)
)
);
if (results.Success()) {
books_entry.id = results.LastInsertedID();
return books_entry;
}
books_entry = BooksRepository::NewEntity();
return books_entry;
}
static int InsertMany(
std::vector<Books> books_entries
)
{
std::vector<std::string> insert_chunks;
for (auto &books_entry: books_entries) {
std::vector<std::string> insert_values;
insert_values.push_back("'" + EscapeString(books_entry.txtfile) + "'");
insert_values.push_back(std::to_string(books_entry.language));
insert_chunks.push_back("(" + implode(",", insert_values) + ")");
}
std::vector<std::string> insert_values;
auto results = content_db.QueryDatabase(
fmt::format(
"{} VALUES {}",
BaseInsert(),
implode(",", insert_chunks)
)
);
return (results.Success() ? results.RowsAffected() : 0);
}
static std::vector<Books> All()
{
std::vector<Books> all_entries;
auto results = content_db.QueryDatabase(
fmt::format(
"{}",
BaseSelect()
)
);
all_entries.reserve(results.RowCount());
for (auto row = results.begin(); row != results.end(); ++row) {
Books entry{};
entry.name = row[0] ? row[0] : "";
entry.txtfile = row[1] ? row[1] : "";
entry.language = atoi(row[2]);
all_entries.push_back(entry);
}
return all_entries;
}
static std::vector<Books> GetWhere(std::string where_filter)
{
std::vector<Books> all_entries;
auto results = content_db.QueryDatabase(
fmt::format(
"{} WHERE {}",
BaseSelect(),
where_filter
)
);
all_entries.reserve(results.RowCount());
for (auto row = results.begin(); row != results.end(); ++row) {
Books entry{};
entry.name = row[0] ? row[0] : "";
entry.txtfile = row[1] ? row[1] : "";
entry.language = atoi(row[2]);
all_entries.push_back(entry);
}
return all_entries;
}
static int DeleteWhere(std::string where_filter)
{
auto results = content_db.QueryDatabase(
fmt::format(
"DELETE FROM {} WHERE {}",
TableName(),
PrimaryKey(),
where_filter
)
);
return (results.Success() ? results.RowsAffected() : 0);
}
// Custom extended repository methods here
};